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Discussion Starter #1
So, I wanted to replace my plugs being that I am getting close to 80K miles, but I can't find the OEM replacements for less than $20 each!! That is rediculous. Anybody know where they are cheaper?

Thanks,

Gus
 

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one of the sponsors on here is sparkplugs.com i think. give them a shout and see if they can help.

honestly there is no difference in them vs a median style in terms of performance. its a "make you feel good" upgrade mostly in these vehicles.
 

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That is where I got mine!
 

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So, I wanted to replace my plugs being that I am getting close to 80K miles, but I can't find the OEM replacements for less than $20 each!! That is rediculous. Anybody know where they are cheaper?

Thanks,

Gus
I bought mine at autozone for $9.99 a piece.
 

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I got them from NAPA for $8 a piece. LFR5AIX-11
 

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Discussion Starter #6
You guys getting them for 8 and 10 dollars are not getting the NGK iridiums are you? Advance wants $16 each, and NAPA wants $20. I know that Denso makes a good plug, but why would Nissan use a more expensive plug than they need to if it doesn't make a difference?
 

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Sparkplugs.com wants $21.29 each for the NGKs.... that is more than the dealer!!!!
 

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NGK Iridium LFR5AIX-11, as listed above. They are just $8.48 at sparkplugs.com. Arrived in a few days. I changed out at 50K, am at 75k now. Fresh link here:

Sparkplugs.com - Cross Reference Search Results

UPDATE: What you found at $21.29, is a Double Fine Tip Version. I haven't heard of anyone buying that version here. It has a fine point on the Center Electrode, and on the Ground Side too. Here is a link for all plugs that fit. You will notice a "D" in the Double Fine Point Iridium. FYI, Platinum is more durable, but Iridium is better performance. Extremely small difference, rarely advertised in the specs, basically insignificant. Don't worry about it at all.

http://www.sparkplugs.com/results_app.asp?aaia=1433076
 
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You guys getting them for 8 and 10 dollars are not getting the NGK iridiums are you? Advance wants $16 each, and NAPA wants $20. I know that Denso makes a good plug, but why would Nissan use a more expensive plug than they need to if it doesn't make a difference?

Looked at the box today, mine are not the iridium, mine are the double platinum, not sure how much difference this will make using D-Platinum instead of the Iridium. (haven't installed them yet). Anyone else running the NGK double-platinum?
 

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www.SparkPlugs.com website says:

Iridium

Iridium is a precious metal that is 6 times harder and 8 times stronger than platinum, it has a 1,200°(F) higher melting point than platinum and conducts electricity better. This makes it possible to create the finest wire center electrode ever. Prior till now, spark plug manufacturers have favored platinum for their long life or performance spark plugs due to its high melting point. However platinum alone is no longer enough, ultra long life spark plugs and smaller center electrodes required harder and stronger precious metals. The strength, hardness and high melting point of iridium makes it very well suited for a fine wire plug and for ultra long life spark plugs. Though better, it’s not perfect, it is very expensive, and at higher temperatures it oxides, thus rendering pure iridium as an expensively poor choice for spark plug construction. However when blended with other precious metals such as Yttria, Rhodium or Platinum, you can enhance those metals advantages with the superior strength and hardness of Iridium. Almost all manufacturers have their own version of an iridium spark plug. DO NOT BE FOOLED, all iridium plugs are not the same. Iridium content varies, some of the lower priced iridium plugs have just enough iridium content so they can be marketed as iridium plugs. They likely will not perform or last as long as the plugs with a higher iridium content.


Platinum

PLATINUM'S USE IN SPARK PLUG CONSTRUCTION
Nearly all spark plug manufacturers use platinum in one form or another on their long life or performance spark plugs. This is because of platinum’s high melting point, which makes it useful in two ways. On long life spark plugs a thin wafer of platinum is bonded at the firing point to the center electrode (and possibly ground electrode) solely so they don’t wear as fast as a traditional plug. On a fine wire performance plug, the very tip of the center electrode is made of platinum so that the fine wire tip will last longer. Do not be fooled, all platinum plugs are not created equal. Platinum is a very expensive precious metal, a $2 platinum spark plug will not have much platinum in it, and therefore will not last as long as a $12 platinum spark plug. Some platinum plugs have only the center electrode tipped with platinum, while others have both the center and ground electrodes platinum tipped. (It is not suggested that platinum plugs be used on vehicles with nitrous injection, however, there have been no problems reported using iridium plugs with nitrous).
 

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If you mean are these OEM? Yes they are.
 

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You guys getting them for 8 and 10 dollars are not getting the NGK iridiums are you? Advance wants $16 each, and NAPA wants $20. I know that Denso makes a good plug, but why would Nissan use a more expensive plug than they need to if it doesn't make a difference?
NAPA gave them to me for the dealer price, he just said tell them you work for the shop up the street.
 

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So, I wanted to replace my plugs being that I am getting close to 80K miles, but I can't find the OEM replacements for less than $20 each!! That is rediculous. Anybody know where they are cheaper?

Thanks,

Gus
Go with these.. About 13 dollars and worth it. I gear head buddy of mine got these for my T.
 

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